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- Big Blue Water Filter Cartridge Coupler:
- The Big Blue Water Filter Cartridge Coupler combines double open end water filter cartridges in order to extend the length of the water filters.
- The coupler works with all brands of water filters including Pentek, Culligan, Ametek, Kleen-Plus, Bruner, Plymouth Products, US Filter, and American Plumber Big Blue Water Filters.
- The Big Blue cartridge coupler can be reused.
- The water filters that are combined with the coupler should be approximately 4.5" in width.
- Pentek Manfucturer ID: 144229
- Also known as American Plumber WHDC
